package com.qf.day01;

public class Demo {
    public static void main(String[] args) {
        int a;
        String b;
        String c;


        a = 100;
        b ="string";
        c = "c";
        System.out.println(a);
        System.out.println(b);
        System.out.println(b+c);
    }
}
